document.write( "Question 306031: x+y=7
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Algebra.Com's Answer #219071 by themathtutor2009(81)\"\" \"About 
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x+y=7
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\n" ); document.write( "\n" ); document.write( "2x=16
\n" ); document.write( "x=8\r
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\n" ); document.write( "\n" ); document.write( "x+y=7
\n" ); document.write( "8+y=7
\n" ); document.write( "y=-1\r
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\n" ); document.write( "\n" ); document.write( "Answers are x=8, y=-1
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